quadruple

adjective

Consisting of four parts or members.

adjective

Four times as much in size, strength, number, or amount.

adjective

Having four beats to the measure.

noun

A fourfold amount or number.

transitive & intransitive verb

To multiply or be multiplied by four.

To make four times as much or as many; multiply by four; repeat four times; make, do, or cause to happen four times over.

To become four times as much or as many; repeat itself four times.

Consisting of four parts; completed in four separate or successive operations.

Fourfold; four times told.

noun

A number, sum, etc., four times as great as that taken as the standard: as, to receive the quadruple of a given sum.